import java.util.Scanner;
public class test_4_2 {
    public static void main(String[] args) {
        String a = "0";
         a = a == "0" ?  "1\n" : "2";
        System.out.println(a);
    }
    public static void main5(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.print("请输入一个十进制数字：");
        int a = input.nextInt();
        String ret = "";
        while (a != 0){
            int b = a % 16;
            char c = (b <= 9 && b >= 0) ? (char)(b + '0') : (char)(b - 10 + 'A');
            ret = c + ret;
            a = a / 16;
        }
        if (ret == ""){
            ret = "0";
        }
        System.out.println(ret);
    }
    public static void main4(String[] args) {
        char a = 4;
        System.out.println(a);
    }
    public static void main3(String[] args) {
        int i = 0;
        for (i = 0;i < 10; i++){
            System.out.println(i);
        }
    }
    public static void main2(String[] args) {
        int a = 0;
        do{
             a = 1;
            System.out.println(1);
        }while (a == 1);
    }
    public static void main1(String[] args) {
        while (true){
            int number = (int)(Math.random() * 101);
            if (number > 100 || number == 0){
                System.out.println(number);
            }
        }
    }
}
